Kuroki Nami, who recently developed an interest in the BDSM world, had previously experienced only mild discomfort in such situations. However, she becomes captivated by the unique style of bondage master Yuuji Shimei. Under his mysterious touch, Nami is enveloped in pleasures she has never known before, emotions so intense that tears stream down her face. Bathed in the soft glow of candlelight, the sensation of whips and the ecstasy of tight bondage intertwine, transforming her into a true female masochist. This experience marks the beginning of a new path for her.